Clock



FIG. 1 is a perspective view of a clock showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines showing in the views are for the purpose ofillustrating unclaimed subject matter only and form no part of theclaimed design.

CLAIM The ornamental design for a clock, as shown and described.